8AP! RP 571, Damage Mechanisms Affecting Fixed Equipment in theRefining Industry[S]. Washington D. C: API Publishing Services, 2003.
9API RP941. Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants [ S ]. Washington D. C : API Publishing Services ,2004.
10API Publication 581. Risk-Based Inspection Base Resource Document [ S]. Washington D. C: API Publishing Services,2000.
